71433697 has 2 divisors, whose sum is σ = 71433698. Its totient is φ = 71433696.

The previous prime is 71433689. The next prime is 71433743. The reversal of 71433697 is 79633417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65788321 + 5645376 = 8111^2 + 2376^2 .

It is a cyclic number.

It is not a de Polignac number, because 71433697 - 2³ = 71433689 is a prime.

It is a super-3 number, since 3×71433697³ (a number of 25 digits) contains 333 as substring.

It is equal to p_4197397 and since 71433697 and 4197397 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (71433667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35716848 + 35716849.

It is an arithmetic number, because the mean of its divisors is an integer number (35716849).

Almost surely, 2^71433697 is an apocalyptic number.

It is an amenable number.

71433697 is a deficient number, since it is larger than the sum of its proper divisors (1).

71433697 is an equidigital number, since it uses as much as digits as its factorization.

71433697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 40.

The square root of 71433697 is about 8451.8457747406. The cubic root of 71433697 is about 414.9231908945.

The spelling of 71433697 in words is "seventy-one million, four hundred thirty-three thousand, six hundred ninety-seven".